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Unlock your Prestigio MultiPhone 5451 Duo


 Specification Prestigio MultiPhone 5451 Duo 
 Hard reset Prestigio MultiPhone 5451 Duo 
 Root Prestigio MultiPhone 5451 Duo 
 Firmware Prestigio MultiPhone 5451 Duo 
 Developer Mode Prestigio MultiPhone 5451 Duo 
 Bypass Lock Screen Prestigio MultiPhone 5451 Duo 
 Prestigio MultiPhone 5451 Duo Factory Reset 
 Secret codes Prestigio MultiPhone 5451 Duo 
 Screenshot Prestigio MultiPhone 5451 Duo 

Prestigio MultiPhone 5451 Duo


OS: Android 4.2 (Jelly Bean)

CPU: Dual-core 1.2 GHz Cortex-A7
Display: 4.5" inc
Camera: 5 MP, Single


1. Use the Tenorshare 4uKey for Android app.
2. Make a hard reset (factory reset).
3. How to use a low battery to unlock a phone locked with a graphic key.
4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
5. Restore access to your smartphone using your Google Account.

1. Use the Tenorshare 4uKey for Android app.
  • Connect your smartphone to PC and open the 4uKey for Android program.
  • A menu will appear on the screen, press Remove.
  • The program will warn you about deleting all data from the smartphone, to continue working, click OK.
  • Wait until the end of the operation, and put the phone into recovery mode.
  • Click the Next button, then follow the steps recommended by the program to restore the device to factory settings and reboot it. After rebooting the smartphone, the screen lock will be disabled.


2. Make a hard reset (factory reset)
  • Turn off your phone.Simultaneously press and hold for about 10-15 seconds one of the button combinations:
    Volume down button + Power button;
    Volume up button + Power button;
    Volume down button + Power button + Home button;
    Volume down button + Volume up button + Power button.

  • Using the volume up/down buttons to navigate through the menu, select Recovery and press the power button.
  • Select Wipe data/factory reset. using volume buttons to navigate through the menu and confirm selection by pressing the power button.
  • At the end, confirm the reset operation.


3. How to use a low battery to unlock a phone locked with a graphic key.
  • You need to ensure that the phone battery is discharged. To speed up the process, make sure that the screen is constantly lit.
  • When the battery has a few percent left, the phone will report this and open a menu with power settings, that is, it will unlock the phone.
  • You need to quickly go to the security menu and disable the lock.


4. Delete 'gesture.key' and 'password.key' using Aroma File Manager.
  • Turn off your phone and remove the memory card from it.
  • Copy the Aroma File Manager program to the phone's memory card. Insert the memory card back into the phone.
  • Using a combination of buttons, put your smartphone into recovery mode.
  • In recovery mode, select the Install zip option. Then select Install zip from sdcard, Choose zip from sdcard, go to the archive folder with this program and select it.
  • After starting the program, you will need to go to the folder /data/system and delete the files 'gesture.key' and 'password.key' (for Android 4.4 or lower) or 'getekeeper.password.key' and 'getekeeper.pattern.key' (for Android 5 or higher)
  • Restart your smartphone. The screen lock will be released.


5. Restore access to your smartphone using your Google Account.
  • After several unsuccessful ways to unlock the phone, Forgot password? will appear on the screen. Click on it.
  • You will be asked to enter your Google Account username and password.
  • Remove the screen lock from the settings.



Thomas Nilan
Smartphone Expert
Thomas Nilan is a mobile phone expert with in-depth knowledge of the Android and iOS operating systems, who understands the settings of various hidden features that allow you to expand the capabilities of your smartphone, as well as get information about what is going on inside the phone for future repairs. He is an authority in his field, which has allowed him to become a ghostwriter for several technology publications, and he enjoys writing small mobile applications for testing smartphones.



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